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Finding the Fourth Proportional to 368,864.40, 553,296.60 and 181,851.60

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Solution

The fourth proportional to 368,864.40, 553,296.60 and 181,851.60 is: 272,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,864.40 : 553,296.60 = 181,851.60 : x
  2. Step 2: Convert to fraction form
    368,864.40/553,296.60 = 181,851.60/x
  3. Step 3: Cross multiply
    368,864.40x = 553,296.60 × 181,851.60
  4. Step 4: Simplify right side
    368,864.40x = 100,617,871,984.56
  5. Step 5: Solve for x
    x = 100,617,871,984.56/368,864.40
  6. Step 6: Final answer
    x = 272,777.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.